{"id":89993,"date":"2020-07-28T01:42:19","date_gmt":"2020-07-27T23:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb"},"modified":"2020-07-28T01:42:19","modified_gmt":"2020-07-27T23:42:19","slug":"v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb","title":{"rendered":"A Meow t\u00e1mad\u00e1s sor\u00e1n k\u00f6r\u00fclbel\u00fcl 4000 nyilv\u00e1nos Elasticsearch \u00e9s MongoDB adatb\u00e1zist t\u00f6r\u00f6ltek","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00f6vekv\u0151 er\u0151vel t\u00e1mad az «Meow<\/a><\/noindex>«, amelynek sor\u00e1n ismeretlen elk\u00f6vet\u0151k megsemmis\u00edtik az adatokat a nyilv\u00e1nosan el\u00e9rhet\u0151, nem v\u00e9dett Elasticsearch \u00e9s MongoDB telep\u00edt\u00e9sekben. Egyedi t\u00f6rl\u00e9sek (\u00f6sszesen k\u00f6r\u00fclbel\u00fcl 3% az \u00f6sszes \u00e1ldozatb\u00f3l) szint\u00e9n r\u00f6gz\u00edtettek a nem v\u00e9dett Apache Cassandra, CouchDB, Redis, Hadoop \u00e9s Apache ZooKeeper alap\u00fa adatb\u00e1zisokban. A t\u00e1mad\u00e1st egy bot hajtja v\u00e9gre, amely a DBMS-szok\u00e1sos h\u00e1l\u00f3zati portokat pr\u00f3b\u00e1lja ki. A t\u00e1mad\u00e1s egy hamis honeypot-szerveren v\u00e9gzett tanulm\u00e1nyoz\u00e1sa azt mutatta, hogy a bot csatlakoz\u00e1sa a write is performed<\/a><\/noindex> a ProtonVPN-en kereszt\u00fcl t\u00f6rt\u00e9nt. J\u00falius 22-\u00e9n k\u00f6r\u00fclbel\u00fcl 1000 t\u00e1voli adatb\u00e1zist regisztr\u00e1ltak, m\u00edg j\u00falius 23-\u00e1n a megt\u00e1madott rendszerek sz\u00e1ma megn\u00f6vekedett<\/a><\/noindex> k\u00f6r\u00fclbel\u00fcl 2500-ra n\u0151tt, m\u00edg tegnap a Windows alap\u00fa k\u00f6rnyezetek sz\u00e1m\u00e1t, melyek ar\u00e1nya folyamatosan cs\u00f6kken, javar\u00e9szt a Linuxra \u00e9p\u00fcl\u0151 devops platformok \u00e9s Kubernetes n\u00e9pszer\u0171s\u00e9g\u00e9nek n\u00f6veked\u00e9se miatt. Az egys\u00e9ges Linux alap\u00fa stack haszn\u00e1lata potenci\u00e1lisan egyszer\u0171s\u00edti a Hyper-V \u00e1ltal \u00fczemeltetett Linuxos vend\u00e9g rendszerek karbantart\u00e1s\u00e1t \u00e9s n\u00f6velheti a teljes\u00edtm\u00e9ny\u00fcket.<\/a><\/noindex> el\u00e9rte a 3800-at, de ma 3750-re cs\u00f6kkent.<\/p>\n

A probl\u00e9m\u00e1k oka a megfelel\u0151 hiteles\u00edt\u00e9si be\u00e1ll\u00edt\u00e1sok n\u00e9lk\u00fcli nyilv\u00e1nos hozz\u00e1f\u00e9r\u00e9s biztos\u00edt\u00e1sa az adatb\u00e1zisokhoz. Hib\u00e1b\u00f3l vagy figyelmetlens\u00e9gb\u0151l a k\u00e9r\u00e9skezel\u0151 nem a bels\u0151 127.0.0.1 (localhost) c\u00edmhez, hanem minden h\u00e1l\u00f3zati interf\u00e9szhez, bele\u00e9rtve a k\u00fcls\u0151t is, van csatlakoztatva. A MongoDB eset\u00e9ben ilyen viselked\u00e9st az alap\u00e9rtelmezett be\u00e1ll\u00edt\u00e1sokban aj\u00e1nlott p\u00e9ld\u00e1k seg\u00edtik, m\u00edg Elasticsearch eset\u00e9ben a kiad\u00e1s el\u0151tt 6.8<\/a><\/noindex> a ingyenes verzi\u00f3ban egy\u00e1ltal\u00e1n nem t\u00e1mogatt\u00e1k a hozz\u00e1f\u00e9r\u00e9s-szab\u00e1lyoz\u00e1si eszk\u00f6z\u00f6ket.<\/p>\n

Figyelemre m\u00e9lt\u00f3 t\u00f6rt\u00e9net<\/a><\/noindex> a VPN-szolg\u00e1ltat\u00f3, az UFO, amelyn\u00e9l egy nyilv\u00e1nosan el\u00e9rhet\u0151, 894 GB m\u00e9ret\u0171 Elasticsearch adatb\u00e1zist tal\u00e1ltak. A szolg\u00e1ltat\u00f3 azt hirdette, hogy figyel a felhaszn\u00e1l\u00f3k mag\u00e1n\u00e9let\u00e9re, \u00e9s nem vezet napl\u00f3kat. A nyilatkozattal ellent\u00e9tben az adatb\u00e1zisban napl\u00f3k is tal\u00e1lhat\u00f3ak, amelyek IP-c\u00edmekr\u0151l, a munkamenetek id\u0151pontj\u00e1r\u00f3l, a felhaszn\u00e1l\u00f3 tart\u00f3zkod\u00e1si hely\u00e9r\u0151l, az oper\u00e1ci\u00f3s rendszerr\u0151l \u00e9s a felhaszn\u00e1l\u00f3i k\u00e9sz\u00fcl\u00e9kr\u0151l, valamint a rekl\u00e1mok adatokban t\u00f6rt\u00e9n\u0151 interpol\u00e1l\u00e1s\u00e1hoz haszn\u00e1lt domainlist\u00e1kr\u00f3l tartalmaznak inform\u00e1ci\u00f3kat. Tov\u00e1bb\u00e1, az adatb\u00e1zisban ny\u00edltan megadott hozz\u00e1f\u00e9r\u00e9si jelszavak \u00e9s olyan session kulcsok voltak, amelyek lehet\u0151v\u00e9 tett\u00e9k a megzavart munkamenetek dek\u00f3dol\u00e1s\u00e1t.<\/p>\n

Az UFO szolg\u00e1ltat\u00f3t j\u00falius 1-j\u00e9n \u00e9rtes\u00edtett\u00e9k a probl\u00e9m\u00e1r\u00f3l, de k\u00e9t h\u00e9tig a bejelent\u00e9s v\u00e1lasz n\u00e9lk\u00fcl maradt, \u00e9s j\u00falius 14-\u00e9n egy m\u00e1sik k\u00e9r\u00e9st k\u00fcldtek a hosztol\u00e1si szolg\u00e1ltat\u00f3nak, majd j\u00falius 15-\u00e9n az adatb\u00e1zist v\u00e9dett\u00e9 tett\u00e9k. J\u00falius 20-\u00e1n ez az adatb\u00e1zis ism\u00e9t nyilv\u00e1nosan el\u00e9rhet\u0151 lett egy m\u00e1sik IP-n. P\u00e1r \u00f3r\u00e1n bel\u00fcl szinte az \u00f6sszes adat t\u00f6rl\u00e9sre ker\u00fclt az adatb\u00e1zisb\u00f3l. A t\u00f6rl\u00e9s elemz\u00e9se azt mutatta, hogy az egy nagy volumen\u0171 t\u00e1mad\u00e1ssal \u00e1ll \u00f6sszef\u00fcgg\u00e9sben, amely a Meow nevet viseli az adatb\u00e1zisban t\u00f6rl\u00e9s ut\u00e1n h\u00e1trahagyott indexek ut\u00e1n. A Shodan szolg\u00e1ltat\u00e1son kereszt\u00fcl t\u00f6rt\u00e9n\u0151 keres\u00e9s megmutatta<\/a><\/noindex>, hogy az elt\u00e1vol\u00edt\u00e1s \u00e1ldozatai k\u00f6z\u00f6tt tov\u00e1bbi t\u00f6bb sz\u00e1z szerver is szerepel. Jelenleg az elt\u00e1vol\u00edtott adatb\u00e1zisok sz\u00e1ma megk\u00f6zel\u00edti a 4000-es hat\u00e1rt.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043d\u0430\u0431\u0438\u0440\u0430\u0442\u044c \u043e\u0431\u043e\u0440\u043e\u0442\u044b \u0430\u0442\u0430\u043a\u0430 «Meow«, \u0432 \u0445\u043e\u0434\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0435 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0438 \u0443\u043d\u0438\u0447\u0442\u043e\u0436\u0430\u044e\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u043d\u0435\u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430\u0445 Elasticsearch \u0438 MongoDB. \u0415\u0434\u0438\u043d\u0438\u0447\u043d\u044b\u0435 \u0441\u043b\u0443\u0447\u0430\u0438 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 (\u0432 \u0441\u0443\u043c\u043c\u0435 \u043e\u043a\u043e\u043b\u043e 3% \u043e\u0442 \u0432\u0441\u0435\u0445 \u0436\u0435\u0440\u0442\u0432) \u0442\u0430\u043a\u0436\u0435 \u0437\u0430\u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u043d\u0435\u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0411\u0414 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Apache Cassandra, CouchDB, Redis, Hadoop \u0438 Apache ZooKeeper. \u0410\u0442\u0430\u043a\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0431\u043e\u0442\u0430, \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u044e\u0449\u0435\u0433\u043e \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u0441\u0435\u0442\u0435\u0432\u044b\u0435 \u043f\u043e\u0440\u0442\u044b \u0421\u0423\u0411\u0414. \u0418\u0437\u0443\u0447\u0435\u043d\u0438\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-89993","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Meow t\u00e1mad\u00e1s sor\u00e1n k\u00f6r\u00fclbel\u00fcl 4000 nyilv\u00e1nos Elasticsearch \u00e9s MongoDB adatb\u00e1zist t\u00e1vol\u00edtottak el | ProHoster","description":"Folyamatosan n\u00f6vekv\u0151 intenzit\u00e1ssal t\u00e1mad a \"Meow\", amely sor\u00e1n ismeretlen elk\u00f6vet\u0151k elt\u00fcntetik az adatokat 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